Monk Parakeet
Myiopsitta monachus
The nominate subspecies of this parrot is 29 cm (11 in) long on average, with a 48-centimetre (19 in) wingspan, and weighs 100 g (3.5 oz). Females tend to be 10–20% smaller, but can only be reliably sexed by DNA or feather testing. Monk parakeets display very subtle sexual dimorphism in the colouration of their crown and wing coverts, but this is not noticeable to the human eye. It has bright-green upperparts. The forehead and breast are pale grey with darker scalloping and the rest of the underparts are very light-green to yellow. The remiges are dark blue, and the tail is long and tapering.
ID text from Wikipedia, CC BY-SA 4.0
Orange-chinned Parakeet
Brotogeris jugularis
The orange-chinned parakeet is 18 to 19 cm (7.1 to 7.5 in) long and weighs between 53 and 65 g (1.9 and 2.3 oz). Adults of the nominate subspecies have a bright green head with a bluish wash on the crown, a white eye ring, an orange chin, and a pale bill. The chin patch is often hard to see. Their upperparts and tail are bluish green with brown wing coverts that show as "shoulders" when perched. Their underparts are mostly bright green with bluish vent and thighs. Their underwing coverts are yellow. Immature birds are similar to adults. Subspecies B. j. Voice: The orange-chinned parakeet's common calls are "a high-pitched "klee", shrill "chree" or bisyllabic "chree-chree"" that are given when perched or in flight. It also makes "a fast chattering series "cra-cra-cra-cra-cra"." It makes "a near constant, shrill, harsh chatter."
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
Learn this pair in BeakBrain
Photo and call practice, free in any browser.
Play BeakBrainPhotos and recordings are credited to their authors under the licence shown. Full profiles: Monk Parakeet and Orange-chinned Parakeet.